Home / 1,192,014.54-1,788,019.65-838,608.30

Finding the Fourth Proportional to 1,192,014.54, 1,788,019.65 and 838,608.30

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Solution

The fourth proportional to 1,192,014.54, 1,788,019.65 and 838,608.30 is: 1,257,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,014.54 : 1,788,019.65 = 838,608.30 : x
  2. Step 2: Convert to fraction form
    1,192,014.54/1,788,019.65 = 838,608.30/x
  3. Step 3: Cross multiply
    1,192,014.54x = 1,788,019.65 × 838,608.30
  4. Step 4: Simplify right side
    1,192,014.54x = 1,499,448,119,053.10
  5. Step 5: Solve for x
    x = 1,499,448,119,053.10/1,192,014.54
  6. Step 6: Final answer
    x = 1,257,910.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.